[tex]2 \frac{2}{3} \div \frac{4}{7} = \frac{8}{3} \div \frac{4}{7} = \frac{8}{3} \times \frac{7}{4} = \frac{2}{3} \times \frac{7}{1} = \frac{14}{3} = 4 \frac{2}{3} [/tex]
[tex]2 \frac{1}{4} \div \frac{4}{5} = \frac{9}{4} \times \frac{5}{4} = \frac{45}{16} = 2 \frac{13}{16} [/tex]
[tex]3 \frac{4}{5} \div \frac{2}{3} = \frac{19}{5} \div \frac{2}{3} = \frac{19}{5} \times \frac{3}{2} = \frac{57}{10} = 5 \frac{7}{10} [/tex]